References

• Bohart, A. C., & Tallman, K. (1999). How clients make therapy work: The process of active self-healing. Washington, DC: American Psychological Association.
   Google Scholar
• Campbell, D. T. (1957). Factors relevant to the validity of experiments in social settings. Psychological Bulletin, 54, 297–312. doi:10.1037/h0040950
   PubMed Web of Science ®Google Scholar
• Carkhuff, R. R. (1969). Human and helping relations (Vols. 1 & 2). New York, NY: Holt, Rinehart, & Winston.
   Google Scholar
• Caro Gabalda, I., & Stiles, W. B. (2013). Irregular assimilation progress: Reasons for setbacks in the context of linguistic therapy of evaluation. Psychotherapy Research, 23, 35–53. doi:10.1080/10503307.2012.721938
   PubMed Web of Science ®Google Scholar
• Carroll, L. (1865). Alice's adventures in Wonderland. London: MacMillan.
   Google Scholar
• Castonguay, L., Barkham, M., Lutz, W., & McAleavey, A. (2013). Practice-oriented research: Approaches and applications. In M. J. Lambert (Ed.), Bergin and Garfield's handbook of psychotherapy and behavior change (6th ed., pp. 85–133). New York, NY: Wiley.
   Google Scholar
• Castonguay, L. G., Goldfried, M. R., Wiser, S., Raue, P. J., & Hayes, A. M. (1996). Predicting the effect of cognitive therapy for depression: A study of unique and common factors. Journal of Consulting and Clinical Psychology, 64, 497–504. doi:10.1037/0022-006X.64.3.497
   PubMed Web of Science ®Google Scholar
• Clark, D. M., Fairburn, C. G., & Wessely, S. (2008). Psychological treatment outcomes in routine NHS services: A commentary on Stiles et al. (2007). Psychological Medicine, 38, 629–634. doi:10.1017/S0033291707001869
   PubMed Web of Science ®Google Scholar
• Cunha, C., Goncalves, M. M., Hill, C. E., Mendes, I., Ribiero, A. P., Angus, L., & Greenberg, L. S. (2012). Therapist interventions and client innovative moments in emotion-focused therapy for depression. Psychotherapy, 49, 536–548. doi:10.1037/a0028259
   PubMed Web of Science ®Google Scholar
• Doucette, A., & Wolf, A.W. (2009). Questioning the measurement precision of psychotherapy research. Psychotherapy Research, 19, 374–389. doi:10.1080/10503300902894422
   PubMed Web of Science ®Google Scholar
• Elliott, R. (1985). Helpful and nonhelpful events in brief counseling interviews: An empirical taxonomy. Journal of Counseling Psychology, 32, 307–322. doi:10.1037/0022-0167.32.3.307
   Web of Science ®Google Scholar
• Elliott, R. (1989). Comprehensive process analysis: Understanding the change process in significant therapy events. In M. Packer & R. B. Addison (Eds.), Entering the circle: Hermeneutic investigation in psychology (pp. 165–184). Albany, NY: SUNY Press.
   Google Scholar
• Elliott, R. (1998). Editor's introduction: A guide to the empirically supported treatments controversy. Psychotherapy Research, 8, 115–125. doi:10.1080/10503309812331332257
   Web of Science ®Google Scholar
• Elliott, R. (2013). Person-centered-experiential psychotherapy for anxiety difficulties: Theory, research and practice. Person-Centered and Experiential Psychotherapies, 12, 14–30. doi:10.1080/14779757.2013.767750
   Google Scholar
• Elliott, R., Hill, C. E., Stiles, W. B., Friedlander, M. L., Mahrer, A. R., & Margison, F. R. (1987). Primary therapist response modes: Comparison of six rating systems. Journal of Consulting and Clinical Psychology, 55, 218–223. doi:10.1037/0022-006X.55.2.218
   PubMed Web of Science ®Google Scholar
• Elliott, R., Partyka, R., Wagner, J., Alperin, R., Dobrenski, R., Messer, S. B., … Castonguay, L. G. (2009). An adjudicated hermeneutic single-case efficacy design of experiential therapy for panic/phobia. Psychotherapy Research, 19, 543–557. doi:10.1080/10503300902905947 Appendices available at: http://www.informaworld.com/smpp/content∼content=a914761426∼db=all∼tab=multimedia
   PubMed Web of Science ®Google Scholar
• Elliott, R., Shapiro, D. A., Firth-Cozens, J., Stiles, W. B., Hardy, G., Llewelyn, S. P., & Margison, F. (1994). Comprehensive process analysis of insight events in cognitive-behavioral and psychodynamic-interpersonal therapies. Journal of Counseling Psychology, 41, 449–463. doi:10.1037/0022-0167.41.4.449
   Web of Science ®Google Scholar
• Elliott, R., Stiles, W. B., & Shapiro, D. A. (1993). Are some psychotherapies more equivalent than others? In T. R. Giles (Ed.), Handbook of effective psychotherapy (pp. 455–479). New York, NY: Plenum Press.
   Google Scholar
• Elliott, R., Watson, J., Greenberg, L. S., Timulak, L., & Freire, E. (2013). Research on humanistic-experiential psychotherapies. In M. J. Lambert (Ed.), Bergin & Garfield's handbook of psychotherapy and behavior change (6th ed., pp. 495–538). New York, NY: Wiley.
   Google Scholar
• Fishman, D. B. (1999). The case for pragmatic psychology. New York: New York University Press.
   Google Scholar
• Frommer, J., Langenbach, M., & Streeck, U. (2004). Qualitative psychotherapy research in German-speaking countries. Psychotherapy Research, 14, 57–75. doi:10.1093/ptr/kph004
   PubMed Web of Science ®Google Scholar
• Goldfried, M. R. (1980). Toward the delineation of therapeutic change principles. American Psychologist, 35, 991–999. doi:10.1037/0003-066X.35.11.991
   PubMed Web of Science ®Google Scholar
• Haaga, D. A. F., & Stiles, W. B. (2000). Randomized clinical trials in psychotherapy research: Methodology, design, and evaluation. In C. R. Snyder & R. E. Ingram (Eds.), Handbook of psychological change (pp. 14–39). New York, NY: Wiley.
   Google Scholar
• Heaton, K. J., Hill, C. E., & Edwards, L. A. (1995). A comparison of three methods of assessing therapist techniques. Psychotherapy Research, 5, 141–152.
   Web of Science ®Google Scholar
• Hill, C. E. (1978). Development of a counselor verbal response category system. Journal of Counseling Psychology, 25, 461–468. doi:10.1037/0022-0167.25.5.461
   Web of Science ®Google Scholar
• Hill, C. E. (1989). Therapist techniques and client outcomes: Eight cases of brief psychotherapy. Newbury Park, CA: SAGE.
   Google Scholar
• Hill, C. E. (2005). Therapist techniques, client involvement, and the therapeutic relationship: Inextricably intertwined in the therapy process. Psychotherapy: Theory, Research, Practice, Training, 42, 431–442. doi:10.1037/0033-3204.42.4.431
   Web of Science ®Google Scholar
• Hill, C. E. (Ed.). (2012). Consensual qualitative research: A practical resource for investigating social science phenomena. Washington, DC: American Psychological Association.
   Google Scholar
• Hill, C. E. (2014). Helping skills: Facilitating exploration, insight, and action (4th ed.). Washington, DC: American Psychological Association.
   Google Scholar
• Hill, C. E., Gelso, C. J., Chui, H., Spangler, P., Hummel, A., Huang, T., … Miles, J. R. (2014). To be or not to be immediate with clients: The use and effects of immediacy in psychodynamic/interpersonal psychotherapy. Psychotherapy Research, 24, 299–315. doi:10.1080/10503307.2013.812262
   PubMed Web of Science ®Google Scholar
• Hill, C. E., Helms, J. E., Tichenor, V., Spiegel, S. B., O'Grady, K. E., & Perry, E. S. (1988). The effects of therapist response modes in brief psychotherapy. Journal of Counseling Psychology, 35, 222–233. doi:10.1037//0022-0167.35.3.222
   Web of Science ®Google Scholar
• Hill, C. E., & Knox, S. (2009). Processing the therapeutic relationship. Psychotherapy Research, 19, 13–29. doi:10.1080/10503300802621206
   PubMed Web of Science ®Google Scholar
• Hill, C. E., Sim, W., Spangler, P., Stahl, J., Sullivan, C., & Teyber, E. (2008). Therapist immediacy in brief psychotherapy: Case study II. Psychotherapy: Theory, Research, Practice, Training, 45, 298–315. doi:10.1037/a0013306
   PubMed Web of Science ®Google Scholar
• Hill, C. E., Thames, T. B., & Rardin, D. K. (1979). Comparison of Rogers, Perls, and Ellis on the hill counselor verbal response category system. Journal of Counseling Psychology, 26, 198–203. doi:10.1037/0022-0167.26.3.198
   Web of Science ®Google Scholar
• Hill, C. E., Thompson, B. J., & Williams, E. N. (1997). A guide to conducting consensual qualitative research. The Counseling Psychologist, 25, 517–572. doi:10.1177/0011000097254001
   Web of Science ®Google Scholar
• Hilsenroth, M. J., Blagys, M. D., Ackerman, S. J., Bonge, D. R., & Blais, M. A. (2005). Measuring psychodynamic-interpersonal and cognitive-behavioral techniques: Development of the comparative psychotherapy process scale. Psychotherapy: Theory, Research, Practice, and Training, 42, 340–356. doi:10.1037/0033-3204.42.3.340
   Web of Science ®Google Scholar
• Hofmeister, B. (2010). The person-centered approach in Germany: To cut a long story short. Person-Centered and Experiential Psychotherapies, 9(1), 1–13. doi:10.1080/14779757.2010.9688500
   Google Scholar
• Hunsley, J., & Di Giulio, G. (2002). Dodo bird, phoenix, or urban legend? The question of psychotherapy equivalence. The Scientific Review of Mental Health Practice, 1(1). Retrieved from www.srmhp.org/0101/psychotherapy-equivalence.html
   Google Scholar
• Imel, Z. E., Steyvers, M., & Atkins, D. C. ( in press). Computational psychotherapy: Scaling up the evaluation of patient provider interactions. Psychotherapy.
   Google Scholar
• Ivey, A. E. (1971). Microcounseling: Innovations in interviewing training. Springfield, IL: Charles C. Thomas.
   Google Scholar
• Jackson, J., Chui, H., & Hill, C. E. (2012). The modification of CQR for case study research: An introduction to CQR-C. In C. E. Hill (Ed.), Consensual qualitative research: A practical resource for investigating social science phenomena (pp. 285–303). Washington, DC: American Psychological Association.
   Google Scholar
• Jones, E. E., & Pulos, S. M. (1993). Comparing the process in psychodynamic and cognitivebehavioral therapies. Journal of Consulting and Clinical Psychology, 61, 306–316. doi:10.1037/0022-006x.61.2.306
   PubMed Web of Science ®Google Scholar
• Kasper, L., Hill, C. E., & Kivlighan, D. (2008). Therapist immediacy in brief psychotherapy: Case study I. Psychotherapy: Theory, Research, Practice, Training, 45, 281–287. doi:10.1037/a0013305
   PubMed Web of Science ®Google Scholar
• Keefe, J. R., McCarthy, K. S., Dinger, U., Zilcha-Mano, S., & Barber, J. P. (2014). A meta-analytic review of psychodynamic therapies for anxiety disorders. Clinical Psychology Review, 34, 309–323. doi:10.1016/j.cpr.2014.03.004
   PubMed Web of Science ®Google Scholar
• Kenny, D. A., & Hoyt, W. T. (2009). Multiple levels of analysis in psychotherapy research. Psychotherapy Research, 19, 462–468. doi:10.1080/10503300902806681
   PubMed Web of Science ®Google Scholar
• Kuhn, T. S. (1970). The structure of scientific revolutions. Chicago: University of Chicago Press.
   Google Scholar
• Lambert, M. J. (2013). The efficacy and effectiveness of psychotherapy. In M. J. Lambert (Ed.), Bergin & Garfield's handbook of psychotherapy and behavior change (6th ed., pp. 169–218). New York, NY: Wiley.
   Google Scholar
• Leichsenring, F., Salzer, S., Beutel, M. E., Herpertz, S., Hiller, W., Hoyer, J., … Leibing, E. (2013). Psychodynamic therapy and cognitive-behavioral therapy in social anxiety disorder: A multicenter randomized controlled trial. American Journal of Psychiatry, 170, 759–767. doi:10.1176/appi.ajp.2013.12081125
   PubMed Web of Science ®Google Scholar
• Leiman, M., & Stiles, W. B. (2001). Dialogical sequence analysis and the zone of proximal development as conceptual enhancements to the assimilation model: The case of Jan revisited. Psychotherapy Research, 11, 311–330. doi:10.1080/713663986
   Web of Science ®Google Scholar
• Levins, R. (1968). Evolution in changing environments: Some theoretical explorations. Princeton, NJ: Princeton University Press.
   Google Scholar
• Lilienfeld, S. O. (2007). Psychological treatments that cause harm. Perspectives on Psychological Science, 2, 53–70. doi:10.1111/j.1745-6916.2007.00029.x
   Web of Science ®Google Scholar
• Luborsky, L., Diguer, L., Seligman, D. A., Rosenthal, R., Krause, E. D., Johnson, S., … Schweizer, E. (1999). The researcher's own therapy allegiances: A “wild card” in comparisons of treatment efficacy. Clinical Psychology: Science and Practice, 6, 95–106.
   Web of Science ®Google Scholar
• Luborsky, L., Rosenthal, R., Diguer, L., Andrusyna, T. P., Berman, J. S., Levitt, J. T., … Krause, E. D. (2002). The Dodo bird verdict is alive and well – mostly. Clinical Psychology: Science and Practice, 9(1), 2–12. doi:10.1093/clipsy/9.1.2
   Web of Science ®Google Scholar
• Luborsky, L., Singer, B., & Luborsky, L. (1975). Comparative studies of psychotherapies: Is it true that “everyone has won and all must have prizes”? Archives of General Psychiatry, 32, 995–1008. doi:10.1001/archpsyc.1975.01760260059004
   PubMed Web of Science ®Google Scholar
• MacLeod, R., & Elliott, R. (2012). Emotion-focused therapy for social anxiety: A hermeneutic single-case efficacy design study of a low-outcome case. Counselling Psychology Review, 27, 7–22.
   Google Scholar
• MacLeod, R., Elliott, R., & Rodgers, B. (2012). Process-experiential/emotion-focused therapy for social anxiety: A hermeneutic single-case efficacy design study. Psychotherapy Research, 22, 67–81. doi:10.1080/10503307.2011.626805
   PubMed Web of Science ®Google Scholar
• Mahrer, A. R. (1980, September). Psychotherapy process research: A preview of the next decade. Symposium presented at the American Psychological Association Convention, Montreal, Quebec, Canada.
   Google Scholar
• McCarthy, K. S., & Barber, J. P. (2009). The multitheoretical list of therapeutic interventions (MULTI): Initial report. Psychotherapy Research, 19, 96–113.
   PubMed Web of Science ®Google Scholar
• McLeod, J. (2010). Case study research in counselling and psychotherapy. London: SAGE.
   Google Scholar
• Moher, D., Liberati, A., Tetzlaff, J., Altman, D. G., & The PRISMA Group. (2009). Preferred reporting items for systematic reviews and meta-analyses: The PRISMA statement. PLoS Medicine, 6(6), e1000097. doi:10.1371/journal.pmed1000097
   PubMed Web of Science ®Google Scholar
• Murphy, D. (2013). BAPCA practice research network. Retrieved from http://www.bapca.org.uk/blog/538-bapca-practice-research-network.html
   Google Scholar
• National Collaborating Centre for Mental Health. (2009). Depression: The treatment and management of depression in adults (update) (NICE clinical guideline 90). London: National Institute for Clinical Excellence. Retrieved from www.nice.org.uk/CG90
   Google Scholar
• National Collaborating Centre for Mental Health. (2010). Schizophrenia: The NICE guideline on core interventions in the treatment and management of schizophrenia in adults in primary and secondary care (Updated edition). London: National Institute for Clinical Excellence. Retrieved from www.nice.org.uk/CG82
   Google Scholar
• Nezu, A. M., & Nezu, C. M. (2008). Evidence-based outcome research: A practical guide to conducting randomized controlled trials for psychosocial interventions. Oxford: Oxford University Press, ISBN 978-0-19-530463-3.
   Google Scholar
• Norcross, J. (Ed.). (2011). Psychotherapy relationships that work (2nd ed.). New York, NY: Oxford University Press.
   Google Scholar
• Orlinsky, D. E., Grawe, K., & Parks, B. K. (1994). Process and outcome in psychotherapy - Noch einmal. In A. E. Bergin & S. L. Garfield (Eds.), Handbook of psychotherapy and behavior change (4th ed., pp. 270–376). New York, NY: Wiley.
   Google Scholar
• Peräkylä, A., Antaki, C., Vehviläinen, S., & Leudar, I. (Eds.). (2008). Conversation analysis and psychotherapy. Cambridge: Cambridge University Press.
   Google Scholar
• Pinto-Coelho, K. G., & Hill, C. E. (June, 2014). Characterizing therapist self-disclosure in psychodynamic psychotherapy. Paper presented at the Society for Psychotherapy Research, Copenhagen, Denmark.
   Google Scholar
• Porter, E. H. Jr. (1943). The development and evaluation of a measure of counseling interview procedures. Educational and Psychological Measurement, 3, 105–126. doi:10.1177/001316444300300111
   Google Scholar
• Rennie, D. L. (2000). Grounded theory methodology as methodological hermeneutics: Reconciling realism and relativism. Theory & Psychology, 10, 481–502. doi:10.1177/0959354300104003
   Web of Science ®Google Scholar
• Rennie, D. L. (2004). Anglo-North American qualitative counseling and psychotherapy research. Psychotherapy Research, 14, 37–55. doi:10.1093/ptr/kph003
   PubMed Web of Science ®Google Scholar
• Rennie, D. L., Phillips, J. R., & Quartaro, G. K. (1988). Grounded theory: A promising approach to conceptualization in psychology? Canadian Psychology, 29, 139–150. doi:10.1037/h0079765
   Web of Science ®Google Scholar
• Robinson, L. A., Berman, J. S., & Neimeyer, R. A. (1990). Psychotherapy for the treatment of depression: A comprehensive review of controlled outcome research. Psychological Bulletin, 108(1), 30–49. doi:10.1037/0033-2909.108.1.30
   PubMed Web of Science ®Google Scholar
• Rogers, C. R. (1942a). Counseling and psychotherapy. Boston: Houghton Mifflin.
   Google Scholar
• Rogers, C. R. (1942b). The use of electrically recorded interviews in improving psychotherapeutic techniques. American Journal of Orthopsychiatry, 12, 429–434. doi:10.1111/j.1939-0025.1942.tb05930.x
   Google Scholar
• Rosenzweig, S. (1936). Some implicit common factors in diverse methods of psychotherapy. American Journal of Orthopsychiatry, 6, 412–415. doi:10.1111/j.1939-0025.1936.tb05248.x
   Google Scholar
• Safran, J. D., & Muran, J. C. (2000). Negotiating the therapeutic alliance: A relational treatment guide. New York, NY: Guilford.
   Google Scholar
• Safran, J. D., Muran, J. C., & Eubanks-Carter, C. (2011). Repairing alliance ruptures. Psychotherapy, 48, 80–87. doi:10.1037/a0022140
   PubMed Web of Science ®Google Scholar
• Sales, C. M. D., & Alves, P. C. G. (2012). Individualized patient-progress systems: Why we need to move towards a personalized evaluation of psychological treatments. Canadian Psychology/Psychologie canadienne, 53, 115–121. doi:10.1037/a0028053
   Web of Science ®Google Scholar
• Snyder, W. U. (1945). An investigation of the nature of non-directive psychotherapy. Journal of General Psychology, 33, 193–223. doi:10.1080/00221309.1945.10544506
   PubMed Web of Science ®Google Scholar
• Society for Clinical Psychology. (2014). Website on research-supported psychological treatments. Retrieved from http://www.psychologicaltreatments.org/
   Google Scholar
• Spielmans, G. I., Pasek, L. F., & McFall, J. P. (2007). What are the active ingredients in cognitive and behavioral psychotherapy for anxious and depressed children? A meta-analytic review. Clinical Psychology Review, 27, 642–654. doi:10.1016/06.001
   PubMed Web of Science ®Google Scholar
• Stephen, S., Elliott, R., & MacLeod, R. (2011). Person-centred therapy with a client experiencing social anxiety difficulties: A hermeneutic single case efficacy design. Counselling and Psychotherapy Research, 11, 55–66. doi:10.1080/14733145.2011.546203
   Google Scholar
• Stiles, W. B. (1979). Verbal response modes and psychotherapeutic technique. Psychiatry, 42, 49–62.
   PubMed Web of Science ®Google Scholar
• Stiles, W. B. (1993). Quality control in qualitative research. Clinical Psychology Review, 13, 593–618. Retrieved from http://dx.doi.org/10.1016/0272-7358(93)90048-Q
   Web of Science ®Google Scholar
• Stiles, W. B. (2002). Assimilation of problematic experiences. In J. C. Norcross (Ed.), Psychotherapy relationships that work: Therapist contributions and responsiveness to patients (pp. 357–365). New York, NY: Oxford University Press.
   Google Scholar
• Stiles, W. B. (2009). Logical operations in theory-building case studies. Pragmatic Case Studies in Psychotherapy, 5(3), 9–22. Retrieved from http://jrul.libraries.rutgers.edu/index.php/pcsp/article/view/973/2384
   Google Scholar
• Stiles, W. B. (2011). Coming to terms. Psychotherapy Research, 21, 367–384. doi:10.1080/10503307.2011.582186
   PubMed Web of Science ®Google Scholar
• Stiles, W. B. (in press). Theory-building, enriching, and fact-gathering: Alternative purposes of psychotherapy research. In O. Gelo, A. Pritz, & B. Rieken (Eds.), Psychotherapy research: General issues, process, and outcome. New York, NY: Springer-Verlag.
   Google Scholar
• Stiles, W. B., Barkham, M., Mellor-Clark, J., & Connell, J. (2008). Routine psychological treatment and the Dodo verdict: A rejoinder to Clark et al. (2007). Psychological Medicine, 38, 905–910. doi:10.1017/S0033291708002717
   PubMed Web of Science ®Google Scholar
• Stiles, W. B., Elliott, R., Llewelyn, S. P., Firth-Cozens, J. A., Margison, F. R., Shapiro, D. A., & Hardy, G. (1990). Assimilation of problematic experiences by clients in psychotherapy. Psychotherapy, 27, 411–420. doi:10.1037/0033-3204.27.3.411
   Web of Science ®Google Scholar
• Stiles, W. B., Honos-Webb, L., & Surko, M. (1998). Responsiveness in psychotherapy. Clinical Psychology: Science and Practice, 5, 439–458. doi:10.1111/j.1468-2850.1998.tb00166.x
   Web of Science ®Google Scholar
• Stiles, W. B., Meshot, C. M., Anderson, T. M., & Sloan, W. W., Jr. (1992). Assimilation of problematic experiences: The case of John Jones. Psychotherapy Research, 2, 81–101. doi:10.1080/10503309212331332874
   Google Scholar
• Stiles, W. B., & Shapiro, D. A. (1994). Disabuse of the drug metaphor: Psychotherapy process-outcome correlations. Journal of Consulting and Clinical Psychology, 62, 942–948. doi:10.1037/0022-006X.62.5.942
   PubMed Web of Science ®Google Scholar
• Stiles, W. B., Shapiro, D. A., & Elliott, R. (1986). Are all psychotherapies equivalent? American Psychologist, 41, 165–180. doi:10.1037/0003-066X.41.2.165
   PubMed Web of Science ®Google Scholar
• Stiles, W. B., Shapiro, D. A., & Firth-Cozens, J. A. (1988). Verbal response mode use in contrasting psychotherapies: A within-subjects comparison. Journal of Consulting and Clinical Psychology, 56, 727–733. doi:10.1037/0022-006X.56.5.727
   PubMed Web of Science ®Google Scholar
• Stiles, W. B., & Sultan, F. E. (1979). Verbal response mode use by clients in psychotherapy. Journal of Consulting and Clinical Psychology, 47, 611–613. doi:10.1037/0022-006X.47.3.611
   PubMed Web of Science ®Google Scholar
• Sutherland, O., Peräkylä, A., & Elliott, R. (2014). Conversation analysis of the two chair self-soothing task in emotion-focused therapy. Psychotherapy Research, 24, 738–751. doi:10.1080/10503307.2014.885146
   PubMed Web of Science ®Google Scholar
• Timulak, L. (2007). Identifying core categories of client-identified impact of helpful events in psychotherapy: A qualitative meta-analysis. Psychotherapy Research, 17, 305–314.
   Web of Science ®Google Scholar
• Tolin, D. F. (2010). Is cognitive-behavioral therapy more effective than other therapies?: A meta-analytic review. Clinical Psychology Review, 30, 710–720. doi:10.1016/j.cpr.2010.05.003
   PubMed Web of Science ®Google Scholar
• Torgerson, D. J., Torgerson, C. (2008). Designing randomised trials in health, education and the social sciences: An introduction. Basingstoke and New York, NY: Palgrave Macmillan, ISBN 978-0-230-53735-4.
   Google Scholar
• Vromans, L. P., & Schweitzer, R. D. (2011). Narrative therapy for adults with major depressive disorder: Improved symptom and interpersonal outcomes. Psychotherapy Research, 21, 4–15. doi:10.1080/10503301003591792
   PubMed Web of Science ®Google Scholar
• Wampold, B. E. (2001). The great psychotherapy debate: Models, methods, and findings. Mahwah, NJ: Lawrence Erlbaum Associates.
   Google Scholar
• Wasserman, R. H., Levy, K. N., & Loken, E. (2009). Generalizability theory in psychotherapy research: The impact of multiple sources of variance on the dependability of psychotherapy process ratings. Psychotherapy Research, 19, 397–408. doi:10.1080/10503300802579156
   PubMed Web of Science ®Google Scholar